Overload Protection - Siemens SIDOOR AT12 Manual

5.12

Overload protection

If the drive motor is subjected to severe strain by
commands repeated in quick succession, the hold-open time is automatically increased. The
next closing movement is delayed, even if a
flashes red 4 times.
This function prevents the motor from overheating.
Elevator door drive AT12
Manual, 02/2012, A2B00086683A-04
Functions and device responses
DOOR OPEN
and
DOOR CLOSE
command is present, the LED
5.12 Overload protection
DOOR CLOSE
19